# Puma configuration file.
    max_threads_count = ENV.fetch("RAILS_MAX_THREADS") { 5 }
    min_threads_count = ENV.fetch("RAILS_MIN_THREADS") { max_threads_count }
    threads min_threads_count, max_threads_count
    port        ENV.fetch("PORT") { 3000 }
    environment ENV.fetch("RAILS_ENV") { ENV['RACK_ENV'] || "development" }
    pidfile ENV.fetch("PIDFILE") { "tmp/pids/server.pid" }
    workers ENV.fetch("WEB_CONCURRENCY") { 2 }
    preload_app!
    plugin :tmp_restart